Maigret investigates the murder of Peg Leg, who has been shot in his room. He appears to have been entertaining a guest, but the housekeeper denies that anyone else was there.

Maigret is accused of trying to seduce a 17-year-old niece of a high-ranking public official.

The Minister of Public Works asks Maigret to investigate the theft of a government report.

Maigret is asked by an old schoolfriend to investigate the murder of his lover.

A stripper reports a conspiracy to murder a countess and is found strangled.

Maigret investigates when the wife of an American industrialist is found strangled in the kitchen of the Hotel Majestic.